    ["-l" "--pipeline-length"
     :default 2
     :parse-fn #(Integer/parseInt %)]
-   ["-S" "--scenario"
+   ["-S" "--scenario SCENARIO"
     "The scenario that is to be used."
     :default "no-op"]])
 

                     (create-local-processing-pipeline
                       (condp = scenario
                         "no-op" (create-no-op-proc-fns pipeline-length)
                         "factorial" (create-factorial-proc-fns pipeline-length))
                       out-fn))
          in-fn (if (not (nil? in-data))
                  (get-in-fn pipeline))

          in-data (condp = scenario
                    "no-op" 1
                    "factorial" 24N
                    "pcap-json" pcap-byte-array-test-data
                    "nil" nil
                    )
          pipeline-length (:pipeline-length options)
